Núi Sập in Winter
In winter (December, January and February), Núi Sập sees average daytime highs around 31°C and overnight lows near 23°C, with 106 mm of rain over about 16 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Across winter, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 24% of the time across winter, and the air most often feels oppressive.
Winter is Núi Sập's best season of the year to visit on our travel score. For the whole year in context, see Núi Sập's year-round climate.
- Avg daytime high
- 31°C
- 3rd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 106 mm
- 16 wet days
- Avg wind
- 8 km/h
- Travel score
- 4.9
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Núi Sập in Winter
Across winter, daytime highs hold fairly steady around 31°C.
A typical winter day in Núi Sập reaches about 31°C and drops to 23°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Núi Sập
Once humidity and wind are folded in, winter brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Núi Sập weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 23° | 27 | 4.9 | 11.5 | 5.2 |
| Feb | 32° / 23° | 15 | 2.3 | 11.7 | 4.9 |
| Mar | 34° / 25° | 44 | 6.8 | 11.9 | 3.4 |
| Apr | 34° / 26° | 93 | 13.6 | 12.2 | 2.5 |
| May | 33° / 26° | 201 | 25.8 | 12.5 | 2.2 |
| Jun | 31° / 26° | 233 | 27.1 | 12.6 | 2.5 |
| Jul | 31° / 25° | 242 | 28.2 | 12.5 | 2.6 |
| Aug | 31° / 26° | 242 | 29 | 12.3 | 2.5 |
| Sep | 31° / 25° | 281 | 28.3 | 12.1 | 2.4 |
| Oct | 31° / 25° | 309 | 27.3 | 11.8 | 2.6 |
| Nov | 31° / 24° | 144 | 17.3 | 11.5 | 3.5 |
| Dec | 31° / 23° | 64 | 9.2 | 11.4 | 4.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 24% of the time across winter.
Chance of precipitation in Winter
Núi Sập gets around 106 mm of rain over 16 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 8 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 24 min in early December to 11 h 48 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.2 kWh/m².
Hazard calendar for Núi Sập
In winter, Núi Sập overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Núi Sập sits in the Pacific typhoon belt; the season peaks July–October.
Núi Sập's rainy season runs May–November, when most of the year's rain falls.
Is winter a good time to visit Núi Sập?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Núi Sập for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Núi Sập in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Núi Sập sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 16 days see rain.
Sea temperature near Núi Sập in Winter
The nearest coast averages about 28°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 46 km away) is warmest in May at about 31°C and coldest in January near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 28 | 29 | 30 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Warm |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 31 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Núi Sập in Winter
Clear-sky midday UV across winter averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Núi Sập peaks around August 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 9 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 10 | 11 | 12 | 12 | 11 | 11 | 12 | 13 | 13 | 10 | 9 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 11 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 10 | Very high |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Núi Sập in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Núi Sập is worst in January — around 55 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (August, 21 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 55 | 49 | 44 | 40 | 33 | 25 | 24 | 21 | 27 | 39 | 47 | 48 |
| Level | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 55 | Poor |
| Feb | 49 | Poor |
| Mar | 44 | Poor |
| Apr | 40 | Poor |
| May | 33 | Moderate |
| Jun | 25 | Moderate |
| Jul | 24 | Moderate |
| Aug | 21 | Moderate |
| Sep | 27 | Moderate |
| Oct | 39 | Poor |
| Nov | 47 | Poor |
| Dec | 48 | Poor |
Where is Núi Sập?
Núi Sập sits at 10.3°N, 105.3°E, 7 m above sea level, in Vietnam. The nearest listed city is Óc Eo, 12 km away.
Topography around Núi Sập
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Núi Sập.
Within 3 km, the terrain around Núi Sập has only modest variations in elevation — a maximum elevation change of 101 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 211 m; within 80 km, large variations in elevation — a maximum elevation change of 691 m.
The land around Núi Sập is covered by cropland (77%) within 3 km, cropland (89%) within 16 km, and cropland (64%) within 80 km.
Vietnam travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B / C / F
- 220 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $5,066
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Safe drinking water
- 59%
- of population, 2024
- Homicide rate
- 1.5
- per 100k, 2011
- Road deaths
- 30.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 500
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Núi Sập (10.2648°, 105.2668°, elevation 7 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.